YONGYESY.YONGYESY (YONGYE) was founded in 1993 with a registered capital of 100 million yuan, covering an area of 20,000 square meters and a building area of 12,000 square meters. As an important supplier of special equipment and alloy materials for domestic oil, petrochemical, city gas and marine aviation fields, its products are widely used in PetroChina, Sinopec, CNOOC and other enterprises. The core products cover filters, separators, heat exchangers, pipe cleaning equipment, quick-open blinds, insulated joints and other non-standard pressure vessels and piping components, and have significant industry influence in the field of pipe cleaning technology and special equipment.